The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). Embodiments herein provide a method and an apparatus for managing a non-integrity protected message. The method includes receiving a reject cause message from a first public land mobile network (PLMN) in response to a transmission of a registration request message to the first PLMN, re-attempting the transmission of the registration request message to one of the first PLMN and a second PLMN, receiving registration accept message from one of the first PLMN and the second PLMN in response to the re-attempting, and resetting a counter maintained for the first PLMN by the UE.
Legal claims defining the scope of protection, as filed with the USPTO.
5. The method of claim 4, wherein one of the normal UE specific DRX and the cell specific DRX is applied in case that the RAU accept message is not integrity protected.
Cooperative Patent Classification codes for this invention. Click any code to explore related patents in that topic.
November 27, 2020
October 11, 2022
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